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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 45 |
| 1972 | 76 |
| 1973 | 77 |
| 1974 | 69 |
| 1975 | 272 |
| 1976 | 236 |
| 1977 | 252 |
| 1978 | 329 |
| 1979 | 354 |
| 1980 | 442 |
| 1981 | 388 |
| 1982 | 377 |
| 1983 | 453 |
| 1984 | 559 |
| 1985 | 577 |
| 1986 | 628 |
| 1987 | 580 |
| 1988 | 689 |
| 1989 | 673 |
| 1990 | 607 |
| 1991 | 673 |
| 1992 | 730 |
| 1993 | 743 |
| 1994 | 836 |
| 1995 | 1176 |
| 1996 | 1229 |
| 1997 | 1237 |
| 1998 | 1335 |
| 1999 | 1446 |
| 2000 | 1383 |
| 2001 | 1439 |
| 2002 | 1394 |
| 2003 | 1491 |
| 2004 | 1341 |
| 2005 | 1478 |
| 2006 | 1627 |
| 2007 | 1725 |
| 2008 | 1768 |
| 2009 | 1821 |
| 2010 | 1685 |
| 2011 | 1828 |
| 2012 | 1820 |
| 2013 | 2091 |
| 2014 | 2132 |
| 2015 | 2256 |
| 2016 | 2588 |
| 2017 | 2765 |
| 2018 | 3143 |
| 2019 | 3301 |
| 2020 | 3698 |
| 2021 | 3752 |
| 2022 | 3205 |
| 2023 | 2966 |
| 2024 | 1214 |